[whatwg] Requiring the Encoding Standard preferred name is too strict for no good reason

Martin Janecke whatwg.org at prlbr.com
Wed Jul 31 15:56:10 PDT 2013

Am 31.07.2013 um 22:33 schrieb Ian Hickson:


>>> I would rather go back to having the conflicts be caught by validators 
>>> than just throw the ISO spec under the bus, but it's really up to you 
>>> (Henri, and whoever else is implementing a validator).
>> Consider a typical case. Joe Q. Author is using ISO-8859-1 as he has 
>> done for years, and remains happy, until he tries to validate his page 
>> as HTML5. Is it useful that he gets an error message (and gets 
>> confused), even though his data is all ISO-8859-1 (without C1 Controls)? 
> No, it's not. Like I said, I would rather go back to having the conflicts 
> be caught by validators.
>> Suppose then than he accidentally enters, say, the euro sign “€” because 
>> his text editor or other authoring tool lets him do – and stores it as 
>> windows-1252 encoded. Even then, no practical problem arises, due to the 
>> common error handling behavior, but at this point, it might be useful to 
>> give some diagnostic if the document is being validated.
> Right.
> Unfortunately it seems you and I are alone in thinking this.

Well, I agree with this.

I don't see any sense in making a document that is declared as ISO-8859-1 and encoded as ISO-8859-1 non-conforming. Just because the ISO-8859-1 code points are a subset of windows-1252? So is US-ASCII. Should an US-ASCII declaration also be non-conforming then -- even if the document only contains bytes from the US-ASCII range? What's the benefit?

I assume this is supposed to be helpful in some way, but to me it just seems wrong and confusing.


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